1900 - 1973 (72 år)
| David Plath 1949-2010 |
| David Plath | |
| F: | 17 Apr 1949 |
| Minnesota, USA | |
| D: | 15 Dec 2010 |
| Minnesota, USA | |
 | Mary Eileen Plath 1946-1996 |
| Mary Eileen Plath | |
| F: | 10 Dec 1946 |
| Martin County, Minnesota, USA | |
| D: | 1996 |
| Minnesota, USA | |
| Robert Carl Plath 1900-1973 |
| Robert Carl Plath | |
| F: | 26 Dec 1900 |
| Martin County, Minnesota, USA | |
| D: | 3 Apr 1973 |
| Sherburn, Martin County, Minnesota, USA | |
 | Edna Elizabeth Vagle 1918-2005 |
| Edna Elizabeth Vagle | |
| F: | 14 Jun 1918 |
| Estherville, Emmet County, Iowa, USA | |
| D: | 21 Sep 2005 |
| Lakefield, Jackson County, Minnesota, USA | |
